Rosco Roscolux Scarlet Lighting Gel Filter 20"x24"

The Roscolux Scarlet from Rosco is a professional-grade color effects lighting filter designed for theatrical, event, and stage lighting applications. Measuring 20 inches by 24 inches, the gel sheet provides enough material to fit most common fixture types including ellipsoidals, par cans, and fresnels, with room to cut custom sizes as needed. The filter produces a very deep amber color with a subtle touch of blue, which translates to a warm, rich tone that is ideal for creating mood lighting, sunset effects, or adding warmth to skin tones on stage.

Constructed from co-extruded polycarbonate plastic and deep dyed polyester, this gel is built to withstand the intense heat generated by conventional tungsten and halogen fixtures — a critical consideration for productions with long run times or high-wattage instruments. The 22% transmission rate means this is a heavily saturated filter that will noticeably reduce the brightness of your fixture, so it is best paired with powerful light sources or used in scenes where a darker, more atmospheric effect is desired. As part of the widely used Roscolux line, it integrates seamlessly into existing gel inventories and is a recognized standard among professional lighting designers.